Home / 802,020.34-1,202,936.86-322,228.72

Finding the Fourth Proportional to 802,020.34, 1,202,936.86 and 322,228.72

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Solution

The fourth proportional to 802,020.34, 1,202,936.86 and 322,228.72 is: 483,305.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,020.34 : 1,202,936.86 = 322,228.72 : x
  2. Step 2: Convert to fraction form
    802,020.34/1,202,936.86 = 322,228.72/x
  3. Step 3: Cross multiply
    802,020.34x = 1,202,936.86 × 322,228.72
  4. Step 4: Simplify right side
    802,020.34x = 387,620,804,638.62
  5. Step 5: Solve for x
    x = 387,620,804,638.62/802,020.34
  6. Step 6: Final answer
    x = 483,305.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.